Compilare: main.cpp: In function 'int main()': main.cpp:16:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < p.size()) ~~^~~~~~~~~~ main.cpp:27:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < s.size()) ~~^~~~~~~~~~ main.cpp:28:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == p.size()) ~~^~~~~~~~~~~ main.cpp:40:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j == p.size()) ~~^~~~~~~~~~~